Tonight I made a fresh install of Xubuntu 15.04 on my laptop, an Acer Aspire TimelineX 4820TG. I was running 14.04 LTS before, and all was fine. I didn't have lot of stuffs to save, so I went for a ...

I'm trying to use my discrete graphics card (Radeon HD 5650) so I can run some more graphics-intensive applications. I have an HP Envy-14 Beats Edition laptop. The fglrx drivers don't work at all for ...

Hi again guys and girls
I own a Sony Vaio SVS15 with Optimus graphics that used a hardware switch (Windows 7-8) to change between Intel 4000 and Nvidia card. On Ubuntu, I have Nvidia Prime with quick ...

It all started when I tried to install Steam to play some Left 4 Dead 2. I noticed it probably wasn't using my discrete graphics card (AMD 7670m) and was using my integrated card, as it was lagging ...

I have a hybrid graphics system and I’ve been trying to make my discrete ati graphics card to work but I was never able to. I've tried installing fglrx but noticed that there is a bug in my case so I ...

Before I updated from 13.10 to 14.04, vga switcheroo worked fine, using the free radeon-driver. Now vga switcheroo doesn't work anymore/doesn't take effect:
cat /sys/kernel/debug/vgaswitcheroo/switch
...

I have installed ubuntu 13.10 64bit on my laptop. The problem I have is high gpu temperature and I want to switch to my Intel graphic card but my system just detects Nvidia card.
Here is my CPU link ...

I recently purchased a Lenovo g505s, the specifications of which can be found here.
After setting up Ubuntu 13.04 I tried to install the ATI proprietary drivers. But only my integrated graphics are ...

I have used the instructions provided by tomodachi here to get EFI kernel stub booting working properly. The Radeon card is now properly initialized and lspci is showing both graphics cards, which is ...

I want both vgaswitcheroo and ati driver on same machine.
vgaswitcheroo is good at powersaving while I also want
powerful processing too. Most of the time I switch between
powersave and performance ...

I have a Hp Envy4 1025tx machine. I've tried vgaswitcheroo and amdcccle. I'm happy with Vgaswitcheroo powersaving efficiency and amdcccle's performance. I want both of them on my system. Is there a ...

The problem I have is this:
I have a DELL laptop with 2 GPUs, an Intel integrated and high performance of AMD Radeon HD a 6470m, but Ubuntu does not detect it. However, the two are active at the same ...

When IGD and DIS both exist in my pc,and I want to disable DIS,so I create a service to switch on and off the DIS.It works.Finally,I decide to add the service command into /etc/rc.local so that DIS ...

How can I do that?
I have followed this https://help.ubuntu.com/community/HybridGraphics
but it didn't work
I'm getting the error at boot that the /sys/kernel/debug/vgaswitcheroo/switch don't exist
...

I have a laptop with freshly installed Ubuntu 11.10 and ATI 4200/AMD Radeon 5650 hybrid graphics. The problem is that I can't switch between integrated and discrete video while using Catalyst driver ...

I'm proud owner of not-that-expensive, yet powerful laptop (HP Probook 4530s). Being a fan, and every-day user of Ubuntu I was unable a way to use discrete GPU from of my laptop (hd6490), the only way ...

Previously I asked about the same problem in Ubuntu 11.04 with messed up drivers, but now I completely reinstalled system and updated it to latest 11.10.
Last time, I tried using various drivers for ...

I have a notebook with switchable AMD/Intel Graphics. I use, successfully, vgaswitcheroo to choose the active GPU and disable the unused one by a script in rc.local.
However, I would like to be able ...